Affiliation: | 1. Department of Health Care Studies, Universiteit Maastricht, The NetherlandsG.Kempen@zw.unimaas.nl;3. School of Nursing, Midwifery and Social Work, University of Manchester, UK;4. Department of Health Care Studies, Universiteit Maastricht, The Netherlands;5. Institute of Sports Medicine Copenhagen and Department of Physiotherapy, Copenhagen University Hospital Bispebjerg, Denmark;6. Institute of Sport Science, University Erlangen-Nürnberg, Germany |